{"id":"CVE-2024-56136","state":"PUBLISHED","title":"/api/v1/jwt/fetch_api_key endpoint can leak if an email address has an account in Zulip server","description":"Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an email address is in use by a user. Zulip Server 9.4 resolves the issue, as does the `main` branch of Zulip Server. Users are advised to upgrade. There are no known workarounds for this issue.","publishedAt":"2025-01-16T19:25:33.261Z","updatedAt":"2025-02-06T21:29:12.118Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["zulip zulip"],"affected":[{"vendor":"zulip","product":"zulip","versions":[{"version":">= 7.0, < 9.4","status":"affected"}]}],"references":["https://github.com/zulip/zulip/security/advisories/GHSA-5xg8-xhfj-4hm6","https://github.com/zulip/zulip/commit/c6334a765b1e6d71760e4a3b32ae5b8367f2ed4d"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/56xxx/CVE-2024-56136.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-56136","state":"PUBLISHED","datePublished":"2025-01-16T19:25:33.261Z","dateUpdated":"2025-02-06T21:29:12.118Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-12-16T17:30:30.068Z"},"containers":{"cna":{"title":"/api/v1/jwt/fetch_api_key endpoint can leak if an email address has an account in Zulip server","descriptions":[{"lang":"en","value":"Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an email address is in use by a user. Zulip Server 9.4 resolves the issue, as does the `main` branch of Zulip Server. Users are advised to upgrade. There are no known workarounds for this issue."}],"affected":[{"vendor":"zulip","product":"zulip","versions":[{"version":">= 7.0, < 9.4","status":"affected"}]}],"references":[{"url":"https://github.com/zulip/zulip/security/advisories/GHSA-5xg8-xhfj-4hm6","name":"https://github.com/zulip/zulip/security/advisories/GHSA-5xg8-xhfj-4hm6","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/zulip/zulip/commit/c6334a765b1e6d71760e4a3b32ae5b8367f2ed4d","name":"https://github.com/zulip/zulip/commit/c6334a765b1e6d71760e4a3b32ae5b8367f2ed4d","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-01-16T19:25:33.261Z"},"source":{"advisory":"GHSA-5xg8-xhfj-4hm6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-01-16T19:50:30.707892Z","id":"CVE-2024-56136","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-06T21:29:12.118Z"}}]}}}